kerogen

This character differs from other Ordovician source rocks elsewhere in the world such as Kukersite Kerogen in Estonia and Guttenburgen type source rocks in USA.

其组成主要有底栖宏观藻类、线叶植物、隐孢子、疑源类和几丁虫等。

The Au content of column held nonhydrocarbon,nonhydrocarbon,asphaltene and kerogen in Jinya Gold Deposits in Guangxi province was measured by the Plasma actinometer (ICP)in the paper.

用等离子体（ICP）测定了广西金牙矿区柱非烃、非烃、沥青质和干酪金含量，并对矿体和围岩进行了比较。